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首页> 外文期刊>Medical education >Collusion detection in multiple choice examinations.
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Collusion detection in multiple choice examinations.

机译：多项选择考试中的共谋检测。

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摘要

OBJECTIVE: To develop and test a novel method for collusion detection in multiple choice examinations. SUBJECTS AND METHODS: Answers from two negatively marked medical prize examinations for two different years were analysed. Both examinations were administered electronically. One examination was formally invigilated, while the second was not; instead, candidates were able to sit the test at any time and at any computer with an internet connection. We examine pairs of students and compare correlations between their answers. Our approach allows us to correct for the difficulty of individual questions and for the estimated ability and the degree of risk aversion of the students. We compare the results of this statistical analysis with other information on the timing of the answers and the physical location of the computer, both of which are available to the web-server. RESULTS: Significant correlation between several candidates who either admitted having cheated or could be linked to other corroborating evidence of collusion was found. CONCLUSION: It is possible to detect collusion in multiple choice examinations in a statistical way by examining the patterns of answers between pairs of candidates. In examinations that are delivered on-line, information is often available on the location of the candidates and the timings of their answers, and can be used as additional corroborative evidence.
机译：目的：开发和测试一种在多选题考试中检测共谋的新方法。主题和方法：分析了两个不同年份的两次带有负号的医学奖项考试的答案。两项检查均以电子方式进行。一次考试正式开始，第二次考试没有正式开始。取而代之的是，考生可以随时随地在任何具有互联网连接的计算机上参加考试。我们检查学生对，并比较他们的答案之间的相关性。我们的方法使我们能够纠正单个问题的难度以及学生的估计能力和规避风险的程度。我们将这种统计分析的结果与其他有关答案的时间安排和计算机的物理位置的信息进行比较，这两个信息都可供Web服务器使用。结果：发现几名候选人之间有显着的相关性，他们要么承认自己已经作弊，要么可能与其他证实性的勾结证据有关。结论：有可能通过检查成对的候选者之间的答案模式，以统计的方式检测多项选择考试中的串谋。在在线进行的考试中，通常可以找到有关候选人的位置及其回答时间的信息，并且可以用作其他佐证。

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